Gorgeous V-i240SV 4CFM Two-Stage Rotary Vane Vacuum Pump with Manifold Gauge Set. Top Notch HVAC Tool for AC Repair, R410A R134a Systems. High Performance, Anti-Reflux Design, Low Noise Operation!

Single 4cfm two stage rotary vane vacuum pump toolkit
✔️ Boasts anti reflux engineering and quiet manifold gauge set

This single kit mates instantly with r410a and r134a ac lines to strip moisture and leftover air before recharging. The rugged cast body blocks dust while you tackle refrigerant recovery and coil flushes on site.

✅ Two stage rotary vane mechanism drives steady airflow
✅ Anti reflux build stops oil siphoning back into your lines
✅ Gas ballast knob cuts down vapor condensation during pulls
✅ Forced oil feed system lubricates moving parts under load

💡 What makes a two stage rotary vane vacuum pump handy for hvac system evacuation?
The tighter clearance hits deeper base pressures so stale air packs up fast.
- Heavy rotor spin swallows thick refrigerant vapors that stall cheaper gadgets
- Anti reflux check valve locks fluid in place during sudden power drops
- Gas ballast knobs push water vapor straight out so you never scrub gunk later

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